49096652080
domain: N
Appears in sequences
- Number of nX7 arrays with each row a permutation of 1..7 having at least as many downsteps as the preceding row.at n=2A221622
- T(n,k)=Number of nXk arrays with each row a permutation of 1..k having at least as many downsteps as the preceding row.at n=38A221623
- Number of 3Xn arrays with each row a permutation of 1..n having at least as many downsteps as the preceding row.at n=6A221625